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45145 (1999 XN105)
Classification: Main-belt Asteroid          SPK-ID: 2045145
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1659286060993255 6.1807e-08  
a 2.407233088286365 1.6243e-08 AU
q 2.007804257390834 1.4417e-07 AU
i 6.220612351503729 6.5807e-06 deg
node 40.63775031820728 5.3245e-05 deg
peri .09288729448292336 5.6938e-05 deg
M 31.65307902293501 1.7894e-05 deg
tp 2456880.553078914917
(2014-Aug-11.05307891)
6.7765e-05 JED
period 1364.192455316661
3.73
1.3807e-05
3.78e-08
d
yr
n .2638923845363413 2.6709e-09 deg/d
Q 2.806661919181896 1.8938e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      906  
   data-arc span      22000 days (60.23 yr)  
   first obs. used      1954-10-28  
   last obs. used      2015-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50285  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 16:17:49  

Additional Information
 Earth MOID = 1.01566 AU 
 T_jup = 3.495 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO233749  

45145 (1999 XN105)          Discovered 1999-Dec-08 by Shiozawa, H., Urata, T. at Nachi-Katsuura
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XN105 = 1954 UR2 = 2001 FY48 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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